Development of pulsed gas laser systems and their use in the study of the optical properties of diamond
Abstract
The double purpose of this thesis is the study and the improvement of the working characteristics of pulsed gas lasers, so that they can be used in the studies of the optical properties of materials and the study of the optical properties of materials themselves and especially those of diamond. Thus a new type of preionization of the active gas of pulsed gas lasers is investigated, that is, the use of SiC in the form of grains on the surface of a dielectric. It is proved that the use of this material as a preionizer, is equally effective as that of a semiconductor or a dielectric and that it presents the characteristics of both of them. Also, the characteristics of the "doubling" and the "charge transfer" electrical circuits which are used for the excitation of pulsed gas lasers, are studied. The differential equations that are obeyed by the currents that flow through the two loops of the circuits are solved and the analytical equations that describe the time evolution of these current ...
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